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<h1>Nickel-Iron alloys, Ni-Fe</h1>

<h2>Other names and abbreviations</h2>
<ul>
<li>nickel–iron alloy</li>
<li>FeNi</li>
<li>NiFe</li>
</ul>

<h2>Popular alloys</h2>
<ul>
<li>Invar  (~36% Ni, low thermal expansion)</li>
<li>Permalloy (~80% Ni, highly magnetic)</li>
</ul>

<h2>External links</h2>
<ul>
<li><a href="https://en.wikipedia.org/wiki/Iron%E2%80%93nickel_alloy">Iron–nickel alloy - Wikipedia</a></li>
<li><a href="https://en.wikipedia.org/wiki/Invar">Invar - Wikipedia</a></li>
<li><a href="https://en.wikipedia.org/wiki/Permalloy">Permalloy - Wikipedia</a></li>
<li><a href="http://www.espimetals.com/index.php/technical-data/175-permalloy-80">Permalloy-80 - ESPI</a></li>
</ul>
